# Online JSON Formatt (OJF) - LLM Context File

## Project Overview

**Name**: Online JSON Formatt (JSONForge Studio)
**URL**: https://www.onlinejsonformatt.org/en/home
**Version**: 1.0.0
**Description**: A professional, modern JSON formatting, validation, and conversion tool built with Next.js and React. This is a comprehensive web application for developers to work with JSON, XML, YAML, CSV, and Parquet data formats.

## Core Features

### JSON Tools
- **JSON Formatter**: Format, beautify, and validate JSON with syntax highlighting || Choice of Tabs for JSON Format || Multiple versions of Output to track changes || 
- **JSON Editor**: Advance code editor with IntelliSense and auto-completion || JSON Statistics (Size, Depth, Key Count, Data Types etc)
- **JSON Tree View**: Interactive collapsible tree structure for JSON visualization
- **JSON Minifier**: Compress JSON by removing whitespace || JSON Statistics (Size, Depth, Key Count, Data Types etc) || Compression Details (Original Size, Compressed Size, Compression Ratio)
- **JSON Diff/Compare**: Side-by-side comparison of two JSON documents with visual diff highlighting || Large JSON support (Upto 20MB) || Advanced diff highlighting || Jump on diff
- **JSON Repair**: AI-powered automatic JSON syntax error detection and fixing
- **JSON Escape**: Escape/unescape JSON strings for safe embedding

### Conversion Tools
- **JSON to YAML**: Convert JSON to YAML format
- **JSON to XML**: Convert JSON to XML format
- **JSON to CSV**: Convert JSON to CSV with nested object flattening || On browser columns filter with the value
- **JSON to Parquet**: Convert JSON to Parquet format || On browser columns filter with the value
- **JSON to TOML**: Convert JSON to TOML format
- **JSON to POJO**: Generate Plain Old Java Objects from JSON
- **JSON to Dart**: Generate Dart classes from JSON structure
- **XML to JSON**: Convert XML to JSON format
- **XML to CSV**: Convert XML to CSV format || On browser columns filter with the value
- **XML Formatter**: Format and beautify XML documents
- **XML Compare**: Compare two XML documents

### Advanced Features
- **Parquet Viewer**: View, query, and analyze Apache Parquet files
  - SQL query editor with syntax highlighting
  - Column filtering and data type detection
  - Export to JSON, CSV, and Excel formats
  - Epoch timestamp auto-formatting
  - Progressive loading for large files
- **File Upload**: Import JSON/XML/Parquet from local files
- **URL Import**: Fetch JSON/XML data directly from URLs
- **Dark Mode**: Full dark/light theme support with system preference detection
- **Multi-language Support**: Internationalization (i18n) with English, French, Spanish, German, and Russian
- **Statistics Panel**: Detailed JSON statistics (size, depth, key count, data types)

## Key Configuration

### Internationalization (i18n)
Supported locales:
- English (en)
- French (fr)
- Spanish (es)
- German (de)
- Russian (ru)
- Dutch (nl)

Route structure: `/{locale}/{page}`
Example: `/en/json-formatter-online`, `/fr/json-formatter-online`

## SEO & Metadata

### Structured Data
- JSON-LD schema markup for tools and articles
- Organization schema
- WebApplication schema
- BreadcrumbList schema
- FAQ schema

### Social Media
- Open Graph tags for Facebook/LinkedIn
- Twitter Card metadata
- Dynamic OG images per page

### Sitemap
- Dynamic XML sitemap at `/sitemap.xml`
- Includes all localized pages

## Browser Support
- Modern browsers with ES2020+ support
- WebAssembly support required for Parquet viewer
- Service Worker support for PWA features

## Performance Metrics
- Lighthouse score optimization
- Core Web Vitals monitoring
- Bundle size tracking
- GTM performance monitoring scripts


## Contact & Support
- Homepage: https://www.onlinejsonformatt.org
- Support: onlinejsonformatt@gmail.com
- Issues: https://github.com/onlinejsonformatt/OJF/issues

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**Last Updated**: 2025-11-25
**Maintained By**: JSON Formatter Team
**For LLM Use**: This file provides comprehensive context about the Online JSON Formatt project for AI assistants to better understand and work with the codebase.